twisted.protocols.ftp.FileConsumer(object) class documentationtwisted.protocols.ftp
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      Implements interfaces: twisted.internet.interfaces.IConsumer
A consumer for FTP input that writes data to a file.
| Instance Variable | fObj | a file object opened for writing, used to write data received. (type: file) | 
| Method | __init__ | Undocumented | 
| Method | registerProducer | Register to receive data from a producer. | 
| Method | unregisterProducer | Stop consuming data from a producer, without disconnecting. | 
| Method | write | The producer will write data by calling this method. | 
Register to receive data from a producer.
This sets self to be a consumer for a producer. When this object runs out of data (as when a send(2) call on a socket succeeds in moving the last data from a userspace buffer into a kernelspace buffer), it will ask the producer to resumeProducing().
For IPullProducer
providers, resumeProducing will be called once each time data 
is required.
For IPushProducer
providers, pauseProducing will be called whenever the write 
buffer fills up and resumeProducing will only be called when 
it empties.
| Parameters | streaming | TrueifproducerprovidesIPushProducer,FalseifproducerprovidesIPullProducer. (type:bool) | 
| Returns | None | |
| Raises | RuntimeError | If a producer is already registered. | 
The producer will write data by calling this method.
The implementation must be non-blocking and perform whatever buffering 
is necessary.  If the producer has provided enough data for now and it is a
IPushProducer,
the consumer may call its pauseProducing method.